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Accumulated Other Comprehensive Loss (Reclassifications from Accumulated Other Comprehensive Loss) (Details)
$ in Millions
9 Months Ended
Oct. 30, 2021
USD ($)
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]  
Income tax benefit $ (2)
Total, net of tax 6
Pension Benefits [Member]  
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]  
Pension benefits $ 8